/**
 * Copyright (c) Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*!
 * \file flash_attention_score_grad_tiling_unpadded_attension.cc
 * \brief
 */

#include "flash_attention_score_grad_tiling_s1s2_bn2gs1s2.h"
#include "tiling/tiling_templates_registry.h"

namespace optiling {

class FlashAttentionScoreGradTilingUnpaddedAttension : public FlashAttentionScoreGradTilingUs1s2Bs2 {
 public:
  explicit FlashAttentionScoreGradTilingUnpaddedAttension(gert::TilingContext* context_)
      : FlashAttentionScoreGradTilingUs1s2Bs2(context_) {
  }
  ~FlashAttentionScoreGradTilingUnpaddedAttension() {
  }

  bool IsCapable() override {
    auto actualSeqQLenTensor = context_->GetOptionalInputTensor(ACTUAL_SEQ_Q_LEN);
    if (actualSeqQLenTensor != nullptr && actualSeqQLenTensor->GetShapeSize() != 0) {
      OPS_LOG_D("FlashAttentionScoreGradTilingUnpaddedAttension hit");
      return true;
    }

    return false;
  };
};

REGISTER_TILING_TEMPLATE("FlashAttentionScoreGrad", FlashAttentionScoreGradTilingUnpaddedAttension, 2000);

}  // namespace optiling
